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Ddos

In computing, a denial-of-service attack (DoS attack) or distributed denial-of-service attack (DDoS attack) is an attempt to make a machine or network resource unavailable to its intended users. Although the means to carry out, motives for, and targets of a DoS attack may vary, it generally consists of the efforts of one or more people to temporarily or indefinitely interrupt or suspend services of a host connected to the Internet.

Perpetrators of DoS attacks typically target sites or services hosted on high-profile web servers such as banks, credit card payment gateways, and even root nameservers. The term is generally used relating to computer networks, but is not limited to this field; for example, it is also used in reference to CPU resource management.

One common method of attack involves saturating the target machine with external communications requests, such that it cannot respond to legitimate traffic, or responds so slowly as to be rendered effectively unavailable. Such...

Meetup has been hit by a DDoS attack that may be linked to an email-based extortion demand demanding $300 to spare the company from being hacked. Scott Heiferman, cofounder and CEO of Meetup, wrote on the company's blog that the attack occurred on Th...

The British spy agency GCHQ used hacking techniques, including distributed denial of service (DDoS) attacks, against the hacking collective Anonymous, according to new documents leaked by Edward Snowden. Anonymous hackers were attacking websites with...

Websites run by dissidents and human rights activists around the world have a new ally in the fight against oppressive regimes: Google. To defend against the growing threat of cyberattacks, and specifically Distributed Denial of Service attacks (DDoS...

A 16-year-old schoolboy from London has been arrested in connection with a cyberattack on the Dutch anti-spam group Spamhaus, which was labeled by experts as the "biggest cyberattack ever." The attack reportedly slowed down the Internet in certain ar...

A Dutchman on Thursday was arrested and charged with being behind one of the biggest cyber attacks ever, according to reports. The man has only been identified by his initials "SK," his age (35-years-old), and his nationality. According to a press re...

We've all heard of DDoS (distributed denial of service) attacks bringing down web servers, but we bet most people can't really imagine what a DDoS attack looks like. Logstalgia visualizes web-server access logs as a pong-like game. As the app's offic...

Reddit is currently under a malicious DDoS attack, according to the site's official Reddit status account on Twitter. The attack seems to have started early Friday, coinciding with the breaking story about the manhunt for the Boston marathon bombing ...

GoDaddy, the world's largest domain registrar and one of the biggest web hosts, is experiencing major downtime. The main GoDaddy.com domain is unreachable and websites hosted by GoDaddy are also down. The more problematic part is that any domain regi...

For more than a decade, Verisign, Inc. -- the registry operator for .com, .net and other top-level domains (TLDs) -- has been connecting people to the websites that shape the world. This means every time you type a .com or .net web address into your ...

Good news for your inbox: Security researchers announced Wednesday that the world's third-largest botnet, which was responsible for approximately 18% of the world's spam, had been knocked offline. The botnet, known as "Grum," was the target of a coll...

Anonymous is claiming responsibility for a cyberattack against Chinese websites -- one that may also be having an impact on Internet speeds across the world. Networks in North America, Europe and especially Asia were running at significantly lower sp...

Twitter handles associated with Anonymous are suggesting that "Operation Blackout," a rumored attempt to shut down the Internet scheduled for March 31, was never an officially sanctioned plan. Operation Blackout calls for a highly-focused Distributed...

Hacktivist group Anonymous made the rounds over the weekend, attacking sites from CBS.com to (once again) Universal Music. In what looks like hacking-spree retribution following the FBI's shut down of file-sharing site Megaupload, Anonymous didn't ju...

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